Band clamp device
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United States of America Patent
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-
Mar 24, 1981
Grant Date -
N/A
app pub date -
Dec 7, 1978
filing date -
Dec 7, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A band clamp device of the invention employs a U-shaped housing for the drive worm screw, usually formed by progressive stamping from sheet metal. The separate arms of the U embrace the band edges and the respective separate arm ends extend beneath the band. The housing can have a single ear only on one of the said separate arm ends extending through a respective cooperating slot in the band to connect the housing to the band. Usually the housing will have a single ear at each end, and the single ear adjacent the screw head end is provided on the said separate downside arm end, which is the arm end that receives the maximum force tending to spread the housing arms apart as the band is tightened about an object. It is found that such a structure is able to resist the forces tending to spread the housing arms and to separate the housing from the band, and it permits a wider ear to be used, or alternatively a narrower band for the same width ear. For greater strength the two immediately adjacent edges of the separate arm ends can be joined together, e.g., by a welding operation.
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